within the last hour we've learned there's still no conclusion about what's causing battery fires on boeing's new 787 dreamlines are. the ntsb released the seventh update in the investigation. it comes after officials tested a sample batteries. no abnormalities were reported during any of those tests. all 787 dreamliners remain grounded until they discover what's wrong with the batteries. >>> bradley cooper came to d.c. today to teach a lesson he learned from his role in "silver linings playbook." >> whoa, whoa, whoa. >> mouthy. >> please tell me more about what he said. >> anything you know, it was just a very general letter. >> cool. >> the movie is about a family dealing with mental ilniz. he discussed the subject with a group of policy leaders in northwest. he said the movie has inspired him to take action on the issue. >> wow. thank you. i had the privilege of going from somebody who was ignorant to empathetic, and now i it take action. this is the little action i can take. if everybody else puts the time in to understand, they can start to take action. the next thing you know, we could